Home / 67,303.02-100,974.24-19,919.31

Finding the Fourth Proportional to 67,303.02, 100,974.24 and 19,919.31

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Solution

The fourth proportional to 67,303.02, 100,974.24 and 19,919.31 is: 29,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,303.02 : 100,974.24 = 19,919.31 : x
  2. Step 2: Convert to fraction form
    67,303.02/100,974.24 = 19,919.31/x
  3. Step 3: Cross multiply
    67,303.02x = 100,974.24 × 19,919.31
  4. Step 4: Simplify right side
    67,303.02x = 2,011,337,188.57
  5. Step 5: Solve for x
    x = 2,011,337,188.57/67,303.02
  6. Step 6: Final answer
    x = 29,884.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.